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Their structures were confirmed by elemental analysis, 1H NMR, and IR spectral data. The preliminary bioassay results showed that α-phenyl-sul-fonylcyclododecanone oxime 2,4-dichlorophenoxy acetate (8p) had inhibition ratio 100% and 80.07% against Digitaria sanguinalis Scop., and 100% and 88.70% against Abutilon theophrasti Medic. at concentrations of 100 and 1 mg/L.

初步生物活性测定结果显示,部分化合物具有一定的除草活性,如α-苯磺酰基环十二酮肟-2,4-二氯苯氧乙酸酯(8p)在浓度为100和1 mg/L时对马唐的抑制率分别为100%和80.07%;对苘麻的抑制率分别为100%和88.70%。

The reaction of chiral isocyanide with N-sulfonylimine catalyzed byRh complex gave 2-imidazoline in 68 - 82% diastereoselectivity.

本论文由五部分组成·在没有任何酸,碱和催化剂存在下, N-磺酰亚胺与异氰乙酰胺反应,以60-94%的产率生成1,3-恶唑。1,3-恶唑的结构由X-ray分析测定。

Starting with commercial available tosylmethyl isocyanide and but-2-enoic methyl ester, pyrrolo[2,1-f][1,2,4]triazine derivatives was prepared by twelve-steps process in total yiled of 5.0%~8% via pyrrole and pyrrolo [2,1-f] [1,2,4] triazine ring formation, substitution and amination reactions etc.

本文以简单的对甲基苯磺酰甲基乙腈和反-2-丁烯酸为原料,经过形成吡咯,吡咯并[2,1-f][1,2,4] 三嗪环,取代,酰胺化等等12步反应,合成了结构新颖的吡咯并[2,1-f][1,2,4] 三嗪衍生物,总收率达5%~8%。

The biological tests indicate that most of the compounds synthesized have herbicidal activity in a certain degree and several compounds show certain bactericidal activity. Further anti-ALS enzyme test shows that two kinds of novel phosphonic ureas have good anti-ALS enzyme activity.

对合成的部分化合物进行了初步的生物活性测定,所设计的大部分化合物都显示出一定的除草活性,有的具有一定的杀菌活性;对两类膦酰脲化合物进行了离体ALS酶抑制试验,结果表明它们是很好的ALS酶抑制剂,同磺酰脲相当,有希望作为另一类ALS酶抑制剂的先导化合物。

A small cell-permeable compound, BH3I-2 3-iodo-5-chloro-N-[2-chloro-5-((4-chlorophenyl)sulphonyl phenyl]-2-hydroxybenzamide, has been recently reported to have a function similar to Bak BH3 peptide.

最近报道,可通透细胞的小分子化合物,BH3I-2':3-碘-5-氯-N-{2-氯-5-[(4-氯苯基)磺酰]苯基}-2-水杨酰胺具有与Bak BH3肽相似的作用。

To dye the different types of fibers by the same dye, universal dyes based on naphthalene ring system are prepared by the diazo coupling reaction of 7-acetamide-4-hydroxy-2-oaphtialene-β-(N,N-dimethylaminoethyl)solfonamide and m-aminobenzene-β-hydroxyethyl sulfone sulfunate.

为了实现用同一支染料对不同类型的纤维进行染色的目的,通过间氨基苯基-β-羟乙基砜硫酸酯与7-乙酰氨基-4-羟基-2-萘-β磺酰胺的重氮化偶合反应合成了含萘环的通用染料,其结构通过质谱分析进行了表征。

A base-catalyzed novel olefination methodology based on elimination of p-toluenesulfonamide:Treatment of diethyl cyanomethylphosphonate with catalytic amount of basegave the corresponding phosphoryl-stabilized carbanion, which added to the carbon-nitrogen double bond of N-tosyl imines.

新形成的氮负离子进一步攫取另一分子膦酸酯的活泼亚甲基氢形成加成产物同时再生出膦酰基稳定的碳负离子。加成产物消除对甲苯磺酰胺,高度立体选择性地得到-α-氰基-β-芳基-乙烯基膦酸二乙酯。

Preferably, at least one member selected from among heterocyclic compounds having any of hydroxyl, carbonyl, carboxyl, amino, amido and sulfinyl and containing at least either a nitrogen or a sulfur atom is contained in the polishing solution.

优选其中包含杂环化合物,所述杂环化合物含有羟基、羰基、羧基、氨基、酰胺基和亚磺酰基中的任1种,且含有氮和硫原子中的至少1种。

The recent application of thionly chloride in organic synthesis is reviewed, mainly focusing on the preparation of chlorinated compounds, alkenes, esters, amides, nitriles, cyclic sulfites and sulfinyl chlorides.

综述了近年来氯化亚砜在有机合成中的应用进展,主要涉及氯代化合物、烃、及酰胺、、式亚硫酸酯、磺酰氯等化合物的制备。

The Sm or Yb complexes were tested to be used as a catalyst for the Diels-Alder reaction of cyclopentadiene with methyl acrylate.

用α-亚磺酰基-N,N-二取代乙酰胺同三氯化钐和三氯化镱反应得到了相应的稀土配合物,用元素分析、红外光谱进行了结构表征。

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推荐网络例句

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。

Store this product in a sealed, lightproof, dry and cool place.

密封,遮光,置阴凉干燥处。